Apache camel Apache通过restlet将参数传递到multicust uri

GroupedExchangeAgregationStrategy的例子对我来说很好。但现在的挑战是将param值传递给uri的。下面是代码

fromrestlet：http://localhost:8089/createCustomer/{foo} .enrichdirect:serviceFacade .processnew处理器{…} 终止 fromdirect:serviceFacade .Multicast新组交换聚合策略.parallelProcessing .enrichrestlet：http://localhost:8080/CamelRest/rest/restService/addressInfo/${header.foo}.enrichrestlet:http://localhost:8080/CamelRest/rest/restService/accountInfo/${header.foo} 终止 我收到一条错误消息：

在Exchange中找不到键为Header.foo的标头。交换[信息： [正文为空]]

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最后我把它弄对了

from("direct:serviceFacade")
    .multicast(new GroupedExchangeAggregationStrategy()).parallelProcessing()       
     // .bean(RecipientListBean.class, "route")       
    .enrich("restlet:http://localhost:8080/CamelRest/rest/restService/addressInfo/{foo}")
    .enrich("restlet:http://localhost:8080/CamelRest/rest/restService/accountInfo/{foo}")
      .end();

那就太神奇了